What does the Worcester Bosch Greenstar Si F65 fault code mean?
The F65 fault code on the Worcester Bosch Greenstar Si indicates a faulty installation, which may involve issues with the boiler’s setup or connections. This can lead to operational inefficiencies or safety concerns that need to be addressed by a qualified engineer.
Common Causes
- Incorrect Flue Installation: If the flue is not installed correctly, it can cause exhaust gases to back up, triggering the fault code.
- Piping Issues: Improperly connected or unsupported pipes can lead to leaks or blockages, affecting the boiler’s performance.
Can I fix it myself? (DIY)
It is strongly advised to call a Gas Safe Engineer for any installation-related issues, as improper handling can pose serious safety risks. DIY fixes are not recommended for gas appliances.
Estimated Repair Cost (2026 UK Prices)
The estimated repair cost for resolving an F65 fault could be around £150 to £300, depending on the specific installation issue that needs to be rectified. This includes the cost of labour and any necessary parts to ensure compliance with safety standards.